Invention Grant
- Patent Title: Adhesively laminated cellulosic product
- Patent Title (中): 粘合性胶体产品
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Application No.: US3672950DApplication Date: 1970-01-12
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Publication No.: US3672950APublication Date: 1972-06-27
- Inventor: MURPHY JAMES A , BROWN STIRLING ROBERT
- Applicant: INT PAPER CO
- Assignee: Int Paper Co
- Current Assignee: Int Paper Co
- Priority: US213570 1970-01-12
- Main IPC: B31D1/04
- IPC: B31D1/04 ; B32B3/28
Abstract:
A LAMINATED TISSUE PRODUCT IS FORMED FROM WEBS BONDED IN SUPERPOSED RELATION EMPLOYING PATTERNED LINES OF BONDING DELINEATING SUBSTANTIAL UNBONDED REGIONS. THE WEBS ARE MAINTAINED OUT OF INTIMATE CONTACT OVER SUBSTANTIAL PORTIONS OF THESE UNBONDED REGIONS TO PROVIDE A QUILTED OR CUSHIONED EFFECT. THIS MAY BE ACHIEVED BY EMBOSSING A NUMBER OF PROTUBERANCES ON AT LEAST ONE WEB TO FACE THE OTHER AND KEEP THE WEB APART. ALTERNATELY, OR IN ADDITION, THE WEBS MAY BE JOINED UNDER DIFFERENT RESPECTIVE TENSIONS SO THAT, UPON RELAXING ONE WEB IS OF GREATER AREA THAN THE OTHER.
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